Table 1.
Formulation and proximate composition of the experimental diets (%, dry matter).
| Ingredients | CON | HC | HCF1 | HCF2 | HCF3 |
|---|---|---|---|---|---|
| Fish meal a | 40.00 | 40.00 | 40.00 | 40.00 | 40.00 |
| Wheat gluten a | 14.46 | 14.46 | 14.46 | 14.46 | 14.46 |
| Corn starch a | 20.00 | 40.00 | 40.00 | 40.00 | 40.00 |
| Microcrystalline cellulose a | 20.50 | 0.50 | 0.49 | 0.48 | 0.47 |
| Fish oil a | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 |
| Choline a | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 |
| Premix b | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| Ca(H2PO4)2 a | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 |
| Antioxidants a | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 |
| Mold inhibitor a | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 |
| Mulberry leaf flavonoids c | 0.00 | 0.00 | 0.01 | 0.02 | 0.03 |
| Proximate composition (%) | |||||
| Crude protein | 43.86 | 43.72 | 44.04 | 43.87 | 43.79 |
| Crude lipid | 5.86 | 5.93 | 5.82 | 5.79 | 5.87 |
| Ash | 10.85 | 11.03 | 10.94 | 10.72 | 10.83 |
a Provided by Hunan Aohua Agriculture and Animal Husbandry Technology Co. Ltd. (Changde, China). b Provided by MGO Ter Bio-Tech (Qingdao, China). Composition consistent with previous studies [28]. c Provided by Sericulture and Agricultural Products Processing Institute of Guangdong Academy of Agricultural Sciences.